Can't bind to <C-x><C-e> in insert mode

[NonlinearFruit]

I was trying to bind <C-x><C-e> to a cmd in insert mode but for some reason it
won't trigger. A single ctrl binding works in insert. Double letter bindings
work in insert. But a double binding where the first is a ctrl seems to fail.

glide.keymaps.set("insert", "<C-a><C-b>", "tab_next"); // Doesn't work
glide.keymaps.set("insert", "<C-c>", "tab_next");      // Works
glide.keymaps.set("insert", "de", "tab_next");         // Works
glide.keymaps.set("insert", "<C-f>g", "tab_next");     // Doesn't work
glide.keymaps.set("insert", "h<C-i>", "tab_next");     // Works

Glide version is 0.1.60a

[RobertCraigie]

Thanks for the report, I can reproduce. #297